在研究这些疾病爆发的过程中，科学家们发现受影响的树木会向树叶中释放以酚类物质为主的有毒化学物质进行反击。
In studying these outbreaks, scientists have discovered that affected trees fight back by releasing toxic chemicals, mainly phenols, into their foliage.
Kim说，虽然那些微生物可以把海洋里的化学物质转化为它们的食物，但是像片脚类这样的动物不能。
While some microbes can make their own food out of chemicals in the ocean, complex life like the amphipod can't, Kim said.
科学家发现咖啡里面的咖啡因和阿司匹林类的解热镇痛抗炎药成分能够对抗酒精或酒类饮料产生的化学物质。
They found the caffeine in coffee and the anti-inflammatory ingredients of aspirin and other painkillers reacted against the chemical compounds of ethanol, or pure alcohol.
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